Portal 2 achievements
942
(510)

Portal 2

4.7 from 311 votes

There are a maximum of 51 Portal 2 achievements worth 942

7,518 tracked gamers have this game, 427 have completed it (5.68%)

Achievement Details

You Saved Science in Portal 2

You Saved Science17

Complete all test chambers in all courses of co-op

  • Unlocked by 2,451 tracked gamers (33% - TSA Ratio = 1.74) 7,518  
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